30256520

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{359}}^1$

素因数の和:427

約数の個数: 96

約数和(自身を含む): 81259200

約数和(自身を除く): 51002680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 49, 56, 70, 86, 98, 140, 172, 196, 215, 245, 280, 301, 344, 359, 392, 430, 490, 602, 718, 860, 980, 1204, 1436, 1505, 1720, 1795, 1960, 2107, 2408, 2513, 2872, 3010, 3590, 4214, 5026, 6020, 7180, 8428, 10052, 10535, 12040, 12565, 14360, 15437, 16856, 17591, 20104, 21070, 25130, 30874, 35182, 42140, 50260, 61748, 70364, 77185, 84280, 87955, 100520, 108059, 123496, 140728, 154370, 175910, 216118, 308740, 351820, 432236, 540295, 617480, 703640, 756413, 864472, 1080590, 1512826, 2161180, 3025652, 3782065, 4322360, 6051304, 7564130, 15128260, 30256520]

約数ペア:

[(1, 30256520), (2, 15128260), (4, 7564130), (5, 6051304), (7, 4322360), (8, 3782065), (10, 3025652), (14, 2161180), (20, 1512826), (28, 1080590), (35, 864472), (40, 756413), (43, 703640), (49, 617480), (56, 540295), (70, 432236), (86, 351820), (98, 308740), (140, 216118), (172, 175910), (196, 154370), (215, 140728), (245, 123496), (280, 108059), (301, 100520), (344, 87955), (359, 84280), (392, 77185), (430, 70364), (490, 61748), (602, 50260), (718, 42140), (860, 35182), (980, 30874), (1204, 25130), (1436, 21070), (1505, 20104), (1720, 17591), (1795, 16856), (1960, 15437), (2107, 14360), (2408, 12565), (2513, 12040), (2872, 10535), (3010, 10052), (3590, 8428), (4214, 7180), (5026, 6020)]